Calcule a quantidade de calor desenvolvida na combustão completa de 46 kg de álcool etílico (C2H5OH)?

Sabendo que:

C + O2 = CO2 DH = -94,1 kcal/mol

2C + 3H2 + 1/2O2 = C2H5OH DH = -66,2 kcal/mol

H2 + 1/2O2 = H2O DH = -68,3 kcal/mol

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